Prove that if z is on the annulus, ½ ≤ | z |≤ 1, then |Im (z−¹+z+0.25)| <ñ.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 22E
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Prove the following

3. Prove that if z is on the annulus, ≤|z|≤ 1, then |Im (z¯¹ +z+ 0.25)| <^.
Transcribed Image Text:3. Prove that if z is on the annulus, ≤|z|≤ 1, then |Im (z¯¹ +z+ 0.25)| <^.
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